Strictness of ID in magaluf, Majorca?

Going to magaluf in about a months time with 3 lads, all will be 18 accept me (17). im guessing at the all inclusive hotel i will receive a child's band, anyone know of any good ways around this, e.g. borrowing a mates / turing the band over etc., so i can use the free alcohol as obvs have had to pay abit more for the all inc., any past experiences or advice would be greatly appreciated thankss :D